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MOLEX / WALDOM 559099974 SlimStack Board-to-Board Connector

The MOLEX / WALDOM 55909-9974 SlimStack connector is a compact board-to-board solution designed for applications where space is at a premium. With a 0.40mm pitch and a vertical stacking height of 1.50mm, it enables efficient interconnection between PCBs. The connector features a dual-row design and surface mount termination, making it suitable for automated assembly processes. It is commonly used in consumer electronics, industrial equipment, and other applications requiring high-density interconnects. Its robust construction and gold-plated contacts ensure reliable performance and long-term durability.

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Source:Newark
Part No:55909-9974
Stock:1886
Inv Date:06-16-2026
Price: Unit price: $1.76
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Part No:55909-9974
Stock:8292
Inv Date:06-17-2026
Price: Unit price: $1.61
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Part No:55909-9974
Stock:0
Inv Date:06-16-2026
Price: Unit price: $1.8
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Part No:55909-9974
Stock:7500
Inv Date:06-16-2026
Price: Unit price: $0.9792
Buy/RFQ:
Part No:55909-9974
Stock:7500
Inv Date:06-16-2026
Price: Unit price: $0.9792
Buy/RFQ:

MOLEX / WALDOM 559099974 SlimStack Board-to-Board Connector Specifications:

  • Stacking Height: 1.50mm
  • Circuits (Loaded): 12
  • Circuits (maximum): 12
  • Durability (mating cycles max): 30
  • Mated Height: 1.50mm
  • Material - Metal: Brass
  • Material - Plating Mating: Gold
  • Material - Plating Termination: Gold
  • Number of Rows: 2
  • Orientation: Vertical
  • Pitch - Mating Interface: 0.40mm
  • Temperature Range - Operating: -25°C to +85°C
  • Current - Maximum per Contact: 0.3A
  • Voltage - Maximum: 50V AC (RMS)/DC
  • Stackable: No
  • PCB Locator: No
  • PCB Retention: Yes
  • First Mate / Last Break: No
  • Keying to Mating Part: None
  • Lock to Mating Part: Yes
  • Net Weight: 17.630/mg
  • Color - Resin: Black
  • Glow-Wire Compliant: No
  • Termination Interface: Style: Surface Mount
  • Series: 55909

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Frequently Asked Questions

Where can I buy MOLEX / WALDOM 559099974?

You can click on the BUY or RFQ button to purchase 559099974 from an authorized MOLEX / WALDOM distributor.

How do I troubleshoot issues or seek technical support for part 559099974?

You can download the 559099974 datasheet or visit the MOLEX / WALDOM website for support.

Who is the manufacturer of 559099974?

MOLEX / WALDOM

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